Using Astrophotography and a WiFi router to find your location.


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Click to read Summary1. CSI Fingerprinting 2. Use techniques from astrophotography to filter csi 3. Use dead reckoning to make fingerprinting practical.

This is a draft post. Here are the key ideas:

  1. Use data from 4 packets to make CSI fingerprint stable
  2. Use a hexagonal maze of fingerprints and monte-carlo dead reckoning to cut the number of fingerprints needed.

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